
Great Horned Owl (Tiger Owl, Hoot Owl)
Kingdom: Animalia; Phylum: Chordata; Class: Aves; Order: Strigiformes; Family: Strigidae; Genus: Bubo; Species: Bubo virginianus
Family: Strigidae (Typical Owls)
- Shape
- Highly asymmetrical vane with a broad trailing edge and a narrow, tapered leading edge; features distinct emargination on the outer vane.
- Size
- Approximately 10-12 inches (25-30 cm) in length, consistent with the large size of a primary wing feather for a mature adult.
- Rarity
- Common; the most widely distributed true owl in the Americas, though secretive and nocturnal.
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Description
This is a large, sturdy primary feather from a Great Horned Owl. The bird itself is a powerful predator with iconic 'ear' tufts, yellow eyes, and a broad wingspan reaching up to 5 feet. Its plumage is designed for camouflage and stealth, blending perfectly into tree bark.
Colour & Pattern
Mottled grayish-brown base with dark brown/black transverse banding (bars); whitish-buff marbling is visible on the inner vane with a light-colored calamus.
Barb Structure
Pennaceous throughout most of the vane; specialized velvet-like pile (fimbriae) on the surface and a comb-like serrated leading edge (flutings) to dampen sound.
Texture & Surface
Velvety and soft to the touch; matte finish due to specialized barbules that eliminate the 'zipped' stiffness typical of hawks, enabling silent flight.
Key Features
Velvety surface texture, dark disruptive banding, and the specialized 'comb' on the leading edge which is diagnostic for high-performance nocturnal hunters.
Habitat
Extremely adaptable; found in deciduous and evergreen forests, swamps, deserts, agricultural areas, and urban parks.
Geographic Range
Resident throughout North and South America, ranging from the subarctic tundra of Canada to the southern tip of South America.
Ecological Role
Apex predator that controls rodent and lagomorph populations; they are generalists that occupy an important niche as nocturnal raptors.
Similar Species
Red-tailed Hawk feathers (lack the velvety texture and serrated edge) and Barred Owl feathers (generally smaller with more regular, high-contrast horizontal bars).
Interesting Facts
Great Horned Owls have a bite pressure of 300-500 PSI, similar to a large dog, and are one of the few predators that regularly hunt skunks since they have no sense of smell.
Condition Notes
Good to Fair; there is some separation of the barbs (splits) on the trailing edge and minor wear at the tip, suggesting it may have been molted naturally.